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diff --git a/mysql-test/suite/innodb/t/innodb-index.test b/mysql-test/suite/innodb/t/innodb-index.test
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+-- source include/have_innodb.inc
+# Embedded server tests do not support restarting.
+-- source include/not_embedded.inc
+
+let $MYSQLD_DATADIR= `select @@datadir`;
+
+SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS;
+
+# Bug#13654923 BOGUS DEBUG ASSERTION IN INDEX CREATION FOR ZERO-LENGTH RECORD
+create table t1(a varchar(2) primary key) engine=innodb;
+insert into t1 values('');
+--enable_info
+create index t1a1 on t1(a(1));
+--disable_info
+drop table t1;
+
+create table t1(a int not null, b int, c char(10) not null, d varchar(20)) engine = innodb;
+insert into t1 values (5,5,'oo','oo'),(4,4,'tr','tr'),(3,4,'ad','ad'),(2,3,'ak','ak');
+commit;
+--error ER_DUP_KEYNAME
+alter table t1 add index b (b), add index b (b);
+--error ER_DUP_FIELDNAME
+alter table t1 add index (b,b);
+--enable_info
+alter table t1 add index d2 (d);
+--disable_info
+show create table t1;
+-- disable_result_log
+analyze table t1;
+-- enable_result_log
+explain select * from t1 force index(d2) order by d;
+select * from t1 force index (d2) order by d;
+--error ER_DUP_ENTRY
+alter table t1 add unique index (b);
+show create table t1;
+--enable_info
+alter table t1 add index (b);
+--disable_info
+show create table t1;
+
+--enable_info
+alter table t1 add unique index (c), add index (d);
+--disable_info
+show create table t1;
+analyze table t1;
+explain select * from t1 force index(c) order by c;
+--enable_info
+alter table t1 add primary key (a), drop index c;
+show create table t1;
+--error ER_MULTIPLE_PRI_KEY
+alter table t1 add primary key (c);
+--error ER_DUP_ENTRY
+alter table t1 drop primary key, add primary key (b);
+create unique index c on t1 (c);
+--disable_info
+show create table t1;
+analyze table t1;
+explain select * from t1 force index(c) order by c;
+select * from t1 force index(c) order by c;
+--enable_info
+alter table t1 drop index b, add index (b);
+--disable_info
+show create table t1;
+insert into t1 values(6,1,'ggg','ggg');
+select * from t1;
+select * from t1 force index(b) order by b;
+select * from t1 force index(c) order by c;
+select * from t1 force index(d) order by d;
+-- disable_result_log
+analyze table t1;
+-- enable_result_log
+explain select * from t1 force index(b) order by b;
+explain select * from t1 force index(c) order by c;
+explain select * from t1 force index(d) order by d;
+show create table t1;
+drop table t1;
+
+create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
+insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ad','ad'),(4,4,'afe','afe');
+commit;
+--enable_info
+alter table t1 add index (c(2));
+show create table t1;
+alter table t1 add unique index (d(10));
+show create table t1;
+--disable_info
+insert into t1 values(5,1,'ggg','ggg');
+-- disable_result_log
+analyze table t1;
+-- enable_result_log
+select * from t1;
+select * from t1 force index(c) order by c;
+select * from t1 force index(d) order by d;
+explain select * from t1 order by b;
+explain select * from t1 force index(c) order by c;
+explain select * from t1 force index(d) order by d;
+show create table t1;
+--enable_info
+alter table t1 drop index d;
+--disable_info
+insert into t1 values(8,9,'fff','fff');
+select * from t1;
+select * from t1 force index(c) order by c;
+-- disable_result_log
+analyze table t1;
+-- enable_result_log
+explain select * from t1 order by b;
+explain select * from t1 force index(c) order by c;
+explain select * from t1 order by d;
+show create table t1;
+drop table t1;
+
+create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
+insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe');
+commit;
+--enable_info
+alter table t1 add unique index (b,c);
+--disable_info
+insert into t1 values(8,9,'fff','fff');
+select * from t1;
+select * from t1 force index(b) order by b;
+-- disable_result_log
+analyze table t1;
+-- enable_result_log
+explain select * from t1 force index(b) order by b;
+show create table t1;
+--enable_info
+alter table t1 add index (b,c);
+--disable_info
+insert into t1 values(11,11,'kkk','kkk');
+select * from t1;
+select * from t1 force index(b) order by b;
+-- disable_result_log
+analyze table t1;
+-- enable_result_log
+explain select * from t1 force index(b) order by b;
+show create table t1;
+--enable_info
+alter table t1 add unique index (c,d);
+--disable_info
+insert into t1 values(13,13,'yyy','aaa');
+select * from t1;
+select * from t1 force index(b) order by b;
+select * from t1 force index(c) order by c;
+-- disable_result_log
+analyze table t1;
+-- enable_result_log
+explain select * from t1 force index(b) order by b;
+explain select * from t1 force index(c) order by c;
+show create table t1;
+drop table t1;
+
+create table t1(a int not null, b int not null, c int, primary key (a), key (b)) engine = innodb;
+create table t3(a int not null, c int not null, d int, primary key (a), key (c)) engine = innodb;
+create table t4(a int not null, d int not null, e int, primary key (a), key (d)) engine = innodb;
+create table t2(a int not null, b int, c int, d int, e int,
+foreign key (b) references t1(b) on delete set null,
+foreign key (c) references t3(c), foreign key (d) references t4(d) on update set null)
+engine = innodb;
+--error ER_DROP_INDEX_FK
+alter table t1 drop index b;
+--error ER_DROP_INDEX_FK
+alter table t3 drop index c;
+--error ER_DROP_INDEX_FK
+alter table t4 drop index d;
+--error ER_DROP_INDEX_FK
+alter table t2 drop index b;
+--error ER_DROP_INDEX_FK
+alter table t2 drop index b, drop index c, drop index d;
+--error ER_FK_COLUMN_CANNOT_CHANGE
+alter table t2 MODIFY b INT NOT NULL, ALGORITHM=COPY;
+# NULL -> NOT NULL only allowed INPLACE if strict sql_mode is on.
+set @old_sql_mode = @@sql_mode;
+set @@sql_mode = 'STRICT_TRANS_TABLES';
+--error ER_FK_COLUMN_NOT_NULL
+alter table t2 MODIFY b INT NOT NULL, ALGORITHM=INPLACE;
+set @@sql_mode = @old_sql_mode;
+
+SET FOREIGN_KEY_CHECKS=0;
+--error ER_FK_COLUMN_CANNOT_DROP
+alter table t2 DROP COLUMN b, ALGORITHM=COPY;
+--error ER_FK_COLUMN_CANNOT_DROP
+alter table t2 DROP COLUMN b;
+--error ER_FK_COLUMN_CANNOT_DROP_CHILD
+alter table t1 DROP COLUMN b, ALGORITHM=COPY;
+--error ER_FK_COLUMN_CANNOT_DROP_CHILD
+alter table t1 DROP COLUMN b;
+SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
+
+--enable_info
+# Apparently, the following makes mysql_alter_table() drop index d.
+create unique index dc on t2 (d,c);
+create index dc on t1 (b,c);
+# This should preserve the foreign key constraints.
+--disable_info
+# NULL -> NOT NULL only allowed INPLACE if strict sql_mode is on.
+# And adding a PRIMARY KEY will also add NOT NULL implicitly!
+set @@sql_mode = 'STRICT_TRANS_TABLES';
+--enable_info
+--error ER_FK_COLUMN_NOT_NULL
+alter table t2 add primary key (alpha), change a alpha int,
+change b beta int not null, change c charlie int not null;
+--error ER_FK_COLUMN_NOT_NULL
+alter table t2 add primary key (alpha), change a alpha int,
+change c charlie int not null, change d delta int not null;
+alter table t2 add primary key (alpha), change a alpha int,
+change b beta int, modify c int not null;
+--disable_info
+set @@sql_mode = @old_sql_mode;
+insert into t1 values (1,1,1);
+insert into t3 values (1,1,1);
+insert into t4 values (1,1,1);
+insert into t2 values (1,1,1,1,1);
+commit;
+--enable_info
+alter table t4 add constraint dc foreign key (a) references t1(a);
+--disable_info
+show create table t4;
+# mysqltest first does replace_regex, then replace_result
+# Embedded server doesn't chdir to data directory
+--replace_result $MYSQLD_DATADIR ./ master-data/ ''
+# a foreign key 'test/dc' already exists
+--error ER_CANT_CREATE_TABLE
+alter table t3 add constraint dc foreign key (a) references t1(a);
+SET FOREIGN_KEY_CHECKS=0;
+--error ER_FK_FAIL_ADD_SYSTEM
+alter table t3 add constraint dc foreign key (a) references t1(a);
+SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
+show create table t3;
+--enable_info
+alter table t2 drop index b, add index (beta);
+--disable_info
+show create table t2;
+--error ER_ROW_IS_REFERENCED_2
+delete from t1;
+--error ER_CANT_DROP_FIELD_OR_KEY
+drop index dc on t4;
+--enable_info
+--error ER_CANT_DROP_FIELD_OR_KEY
+alter table t3 drop foreign key dc;
+alter table t4 drop foreign key dc;
+--disable_info
+select * from t2;
+delete from t1;
+select * from t2;
+
+drop table t2,t4,t3,t1;
+
+-- let charset = utf8
+-- source include/innodb-index.inc
+
+create table t1(a int not null, b int) engine = innodb;
+insert into t1 values (1,1),(1,1),(1,1),(1,1);
+--error ER_DUP_ENTRY
+alter table t1 add unique index (a);
+--error ER_DUP_ENTRY
+alter table t1 add unique index (b);
+--error ER_DUP_ENTRY
+alter table t1 add unique index (a), add unique index(b);
+show create table t1;
+drop table t1;
+
+create table t1(a int not null, c int not null,b int, primary key(a), unique key(c), key(b)) engine = innodb;
+alter table t1 drop index c, drop index b;
+show create table t1;
+drop table t1;
+
+create table t1(a int not null, b int, primary key(a)) engine = innodb;
+alter table t1 add index (b);
+show create table t1;
+drop table t1;
+
+create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
+insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ac','ac'),(4,4,'afe','afe'),(5,4,'affe','affe');
+--error ER_DUP_ENTRY
+alter table t1 add unique index (b), add unique index (c), add unique index (d);
+--error ER_DUP_ENTRY
+alter table t1 add unique index (c), add unique index (b), add index (d);
+show create table t1;
+drop table t1;
+
+create table t1(a int not null, b int not null, c int, primary key (a), key(c)) engine=innodb;
+insert into t1 values (5,1,5),(4,2,4),(3,3,3),(2,4,2),(1,5,1);
+--enable_info
+alter table t1 add unique index (b);
+--disable_info
+insert into t1 values (10,20,20),(11,19,19),(12,18,18),(13,17,17);
+show create table t1;
+check table t1;
+-- disable_result_log
+analyze table t1;
+-- enable_result_log
+explain select * from t1 force index(c) order by c;
+explain select * from t1 order by a;
+explain select * from t1 force index(b) order by b;
+select * from t1 order by a;
+select * from t1 force index(b) order by b;
+select * from t1 force index(c) order by c;
+drop table t1;
+
+create table t1(a int not null, b int not null) engine=innodb;
+insert into t1 values (1,1);
+--enable_info
+alter table t1 add primary key(b);
+--disable_info
+insert into t1 values (2,2);
+show create table t1;
+check table t1;
+select * from t1;
+analyze table t1;
+explain select * from t1;
+explain select * from t1 order by a;
+explain select * from t1 order by b;
+checksum table t1;
+drop table t1;
+
+create table t1(a int not null) engine=innodb;
+insert into t1 values (1);
+--enable_info
+alter table t1 add primary key(a);
+--disable_info
+insert into t1 values (2);
+show create table t1;
+check table t1;
+commit;
+select * from t1;
+analyze table t1;
+explain select * from t1;
+explain select * from t1 order by a;
+drop table t1;
+
+#
+# Test to check whether CREATE INDEX handles implicit foreign key
+# constraint modifications (Issue #70, Bug #38786)
+#
+SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0;
+SET FOREIGN_KEY_CHECKS=0;
+
+CREATE TABLE t1(
+ c1 BIGINT(12) NOT NULL,
+ PRIMARY KEY (c1)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+
+CREATE TABLE t2(
+ c1 BIGINT(16) NOT NULL,
+ c2 BIGINT(12) NOT NULL,
+ c3 BIGINT(12) NOT NULL,
+ PRIMARY KEY (c1)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+
+ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
+ FOREIGN KEY (c3) REFERENCES t1(c1);
+
+SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
+SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;
+
+SHOW CREATE TABLE t2;
+
+CREATE INDEX i_t2_c3_c2 ON t2(c3, c2);
+
+SHOW CREATE TABLE t2;
+
+SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
+SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;
+
+--error ER_NO_REFERENCED_ROW_2
+INSERT INTO t2 VALUES(0,0,0);
+INSERT INTO t1 VALUES(0);
+INSERT INTO t2 VALUES(0,0,0);
+
+DROP TABLE t2;
+
+CREATE TABLE t2(
+ c1 BIGINT(16) NOT NULL,
+ c2 BIGINT(12) NOT NULL,
+ c3 BIGINT(12) NOT NULL,
+ PRIMARY KEY (c1,c2,c3)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+
+SET FOREIGN_KEY_CHECKS=0;
+ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
+ FOREIGN KEY (c3) REFERENCES t1(c1);
+SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
+
+SHOW CREATE TABLE t2;
+
+CREATE INDEX i_t2_c3_c2 ON t2(c3, c2);
+
+SHOW CREATE TABLE t2;
+--error ER_NO_REFERENCED_ROW_2
+INSERT INTO t2 VALUES(0,0,1);
+INSERT INTO t2 VALUES(0,0,0);
+--error ER_ROW_IS_REFERENCED_2
+DELETE FROM t1;
+DELETE FROM t2;
+
+DROP TABLE t2;
+DROP TABLE t1;
+
+CREATE TABLE t1(
+ c1 BIGINT(12) NOT NULL,
+ c2 INT(4) NOT NULL,
+ PRIMARY KEY (c2,c1)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+
+CREATE TABLE t2(
+ c1 BIGINT(16) NOT NULL,
+ c2 BIGINT(12) NOT NULL,
+ c3 BIGINT(12) NOT NULL,
+ PRIMARY KEY (c1)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+
+SET FOREIGN_KEY_CHECKS=0;
+--enable_info
+
+# mysqltest first does replace_regex, then replace_result
+# Embedded server doesn't chdir to data directory
+--replace_result $MYSQLD_DATADIR ./ master-data/ ''
+--error ER_CANT_CREATE_TABLE
+ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
+ FOREIGN KEY (c3,c2) REFERENCES t1(c1,c1), ALGORITHM=COPY;
+--error ER_FK_NO_INDEX_PARENT
+ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
+ FOREIGN KEY (c3,c2) REFERENCES t1(c1,c1);
+# mysqltest first does replace_regex, then replace_result
+# Embedded server doesn't chdir to data directory
+--replace_result $MYSQLD_DATADIR ./ master-data/ ''
+--error ER_CANT_CREATE_TABLE
+ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
+ FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2), ALGORITHM=COPY;
+--error ER_FK_NO_INDEX_PARENT
+ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
+ FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2);
+
+--error ER_FK_INCORRECT_OPTION
+ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
+ FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1), ALGORITHM=INPLACE;
+
+# mysqltest first does replace_regex, then replace_result
+# Embedded server doesn't chdir to data directory
+--replace_result $MYSQLD_DATADIR ./ master-data/ ''
+--error ER_CANT_CREATE_TABLE
+ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
+ FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1), ALGORITHM=COPY;
+
+ALTER TABLE t1 MODIFY COLUMN c2 BIGINT(12) NOT NULL;
+# mysqltest first does replace_regex, then replace_result
+# Embedded server doesn't chdir to data directory
+--replace_result $MYSQLD_DATADIR ./ master-data/ ''
+--error ER_CANT_CREATE_TABLE
+ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
+ FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2), ALGORITHM=COPY;
+--error ER_FK_NO_INDEX_PARENT
+ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
+ FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2);
+
+ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
+ FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1);
+
+SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
+
+SHOW CREATE TABLE t1;
+SHOW CREATE TABLE t2;
+CREATE INDEX i_t2_c2_c1 ON t2(c2, c1);
+SHOW CREATE TABLE t2;
+CREATE INDEX i_t2_c3_c1_c2 ON t2(c3, c1, c2);
+SHOW CREATE TABLE t2;
+CREATE INDEX i_t2_c3_c2 ON t2(c3, c2);
+SHOW CREATE TABLE t2;
+--disable_info
+
+DROP TABLE t2;
+DROP TABLE t1;
+
+connect (a,localhost,root,,);
+connect (b,localhost,root,,);
+connection a;
+CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB;
+INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e');
+CREATE TABLE t2 (a INT, b CHAR(1)) ENGINE=InnoDB;
+CREATE TABLE t2i (a INT, b CHAR(1) NOT NULL) ENGINE=InnoDB;
+CREATE TABLE t2c (a INT, b CHAR(1) NOT NULL) ENGINE=InnoDB;
+INSERT INTO t2 SELECT * FROM t1;
+INSERT INTO t2i SELECT * FROM t1;
+INSERT INTO t2c SELECT * FROM t1;
+connection b;
+BEGIN;
+# This acquires a MDL lock on t1 until commit.
+SELECT * FROM t1;
+connection a;
+# This times out before of the MDL lock held by connection b.
+SET lock_wait_timeout=1;
+--error ER_LOCK_WAIT_TIMEOUT
+CREATE INDEX t1a ON t1(a);
+--enable_info
+CREATE INDEX t2a ON t2(a);
+--disable_info
+set @old_sql_mode = @@sql_mode;
+# NULL -> NOT NULL only allowed INPLACE if strict sql_mode is on.
+# And adding a PRIMARY KEY will also add NOT NULL implicitly!
+set @@sql_mode = 'STRICT_TRANS_TABLES';
+--enable_info
+ALTER TABLE t2i ADD PRIMARY KEY(a,b), ADD INDEX t2a(a), ALGORITHM=INPLACE;
+--disable_info
+set @@sql_mode = @old_sql_mode;
+--enable_info
+ALTER TABLE t2c ADD PRIMARY KEY(a,b), ADD INDEX t2a(a), ALGORITHM=COPY;
+--disable_info
+connection b;
+# t2i and t2c are too new for this transaction, because they were rebuilt
+--error ER_TABLE_DEF_CHANGED
+SELECT * FROM t2i;
+--error ER_TABLE_DEF_CHANGED
+SELECT * FROM t2i FORCE INDEX(t2a) ORDER BY a;
+--error ER_TABLE_DEF_CHANGED
+SELECT * FROM t2c;
+--error ER_TABLE_DEF_CHANGED
+SELECT * FROM t2c FORCE INDEX(t2a) ORDER BY a;
+# In t2, only the new index t2a is too new for this transaction.
+SELECT * FROM t2;
+--error ER_TABLE_DEF_CHANGED
+SELECT * FROM t2 FORCE INDEX(t2a) ORDER BY a;
+SELECT * FROM t2;
+COMMIT;
+# For a new transaction, all of t2, t2i, t2c are accessible.
+SELECT * FROM t2;
+SELECT * FROM t2 FORCE INDEX(t2a) ORDER BY a;
+SELECT * FROM t2i;
+SELECT * FROM t2i FORCE INDEX(t2a) ORDER BY a;
+SELECT * FROM t2c;
+SELECT * FROM t2c FORCE INDEX(t2a) ORDER BY a;
+connection default;
+disconnect a;
+disconnect b;
+
+--error ER_DUP_KEYNAME
+alter table t2 add index t2a(b);
+alter table t2 drop index t2a, add index t2a(b);
+show create table t2;
+show create table t2i;
+show create table t2c;
+
+--disable_info
+
+DROP TABLE t1,t2,t2c,t2i;
+
+CREATE TABLE t1 (c VARCHAR(1024),
+c1 CHAR(255) NOT NULL,c2 CHAR(255) NOT NULL,c3 CHAR(255) NOT NULL,
+c4 CHAR(255) NOT NULL,c5 CHAR(255) NOT NULL,c6 CHAR(255) NOT NULL,
+c7 CHAR(255) NOT NULL,c8 CHAR(255) NOT NULL,c9 CHAR(255) NOT NULL,
+ca CHAR(255) NOT NULL,cb CHAR(255) NOT NULL,cc CHAR(255) NOT NULL,
+cd CHAR(255) NOT NULL,ce CHAR(255) NOT NULL,cf CHAR(255) NOT NULL,
+d0 CHAR(255) NOT NULL,d1 CHAR(255) NOT NULL,d2 CHAR(255) NOT NULL,
+d3 CHAR(255) NOT NULL,d4 CHAR(255) NOT NULL,d5 CHAR(255) NOT NULL,
+d6 CHAR(255) NOT NULL,d7 CHAR(255) NOT NULL,d8 CHAR(255) NOT NULL,
+d9 CHAR(255) NOT NULL,da CHAR(255) NOT NULL,db CHAR(255) NOT NULL,
+dc CHAR(255) NOT NULL,dd CHAR(255) NOT NULL,de CHAR(255) NOT NULL,
+UNIQUE KEY(c))
+ENGINE=InnoDB ROW_FORMAT=DYNAMIC;
+INSERT INTO t1 VALUES
+(repeat('a',999),'','','','','','','','','','','','','','','','','','','','','','','','','','','','','',''),
+(CONCAT(repeat('a',999),'b'),'','','','','','','','','','','','','','','','','','','','','','','','','','','','','','');
+--error ER_INDEX_COLUMN_TOO_LONG
+ALTER TABLE t1 ROW_FORMAT=REDUNDANT, algorithm=inplace;
+--error ER_INDEX_COLUMN_TOO_LONG
+ALTER TABLE t1 ROW_FORMAT=REDUNDANT, algorithm=copy;
+SELECT COUNT(*) FROM t1;
+CHECK TABLE t1;
+DROP TABLE t1;
+
+--echo #
+--echo # Bug#19811005 ALTER TABLE ADD INDEX DOES NOT UPDATE INDEX_LENGTH
+--echo # IN I_S TABLES
+--echo #
+let $i_s_query=SELECT cast(DATA_LENGTH/@@innodb_page_size as int) D,
+cast(INDEX_LENGTH/@@innodb_page_size as int) I
+FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test';
+
+CREATE TABLE t1(a INT, b INT) ENGINE=INNODB, STATS_PERSISTENT=1;
+eval $i_s_query;
+--enable_info
+ALTER TABLE t1 ADD INDEX (a);
+--disable_info
+eval $i_s_query;
+--enable_info
+ALTER TABLE t1 ADD INDEX (b);
+--disable_info
+eval $i_s_query;
+DROP TABLE t1;
+
+--echo #
+--echo # Bug #17657223 EXCESSIVE TEMPORARY FILE USAGE IN ALTER TABLE
+--echo #
+
+SET GLOBAL innodb_monitor_enable = module_ddl;
+let $innodb_metrics_select=
+SELECT name, count_reset FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
+subsystem = 'ddl' and count_reset > 0;
+
+# Table with Blob data.
+create table t1(f1 int not null, f2 blob)engine=innodb;
+insert into t1 values(1, repeat('a',20000));
+--echo # Skip sort
+--echo # Reusing the same pk
+--enable_info
+alter table t1 force;
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+drop table t1;
+
+# Table with small data.
+create table t1(f1 int not null, f2 int not null,
+primary key(f1))engine=innodb;
+insert into t1 values(1,2), (3,4);
+--echo # Add Secondary index.
+--echo # Skip temp file usage due to small table size
+--enable_info
+alter table t1 add key(f2);
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+drop table t1;
+
+# Table with large data which is greater than sort buffer
+create table t480(a serial)engine=innodb;
+insert into t480
+values(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),
+(),(),(),(),(),(),(),();
+insert into t480 select 0 from t480;
+insert into t480 select 0 from t480;
+insert into t480 select 0 from t480;
+insert into t480 select 0 from t480;
+create table t1(f1 int auto_increment not null,
+ f2 char(200) not null, f3 char(200) not null,
+ f4 char(200) not null,primary key(f1))engine=innodb;
+insert into t1 select NULL,'aaa','bbb','ccc' from t480;
+insert into t1 select NULL,'aaaa','bbbb','cccc' from t480;
+insert into t1 select NULL,'aaaaa','bbbbb','ccccc' from t480;
+insert into t1 select NULL,'aaaaaa','bbbbbb','cccccc' from t480;
+insert into t1 select NULL,'aaaaaaa','bbbbbbb','ccccccc' from t480;
+insert into t1 select NULL,'aaaaaaaa','bbbbbbbb','cccccccc' from t480;
+select count(*) from t1;
+
+--echo # Skip sort
+--echo # Change PK from (f1) to (f1,f2,f3,f4)
+--enable_info
+alter table t1 drop primary key, add primary key(f1,f2,f3,f4);
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+
+# Temp file not used during clustered index rebuild
+# for the following alter table commands.
+
+--echo # Skip sort
+--echo # Change PK from (f1,f2,f3,f4) to (f1,f2,added_columns)
+--enable_info
+alter table t1 drop primary key,add column f5 int not null,
+add column f6 int not null,add primary key(f1,f2,f5,f6);
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Skip sort
+--echo # Change PK from (f1,f2,f5,f6) to (f1,f2,f5)
+--error ER_KEY_COLUMN_DOES_NOT_EXIST
+alter table t1 drop column f6;
+--enable_info
+alter table t1 drop column f6, drop primary key, add primary key(f1,f2,f5);
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Skip sort
+--echo # Reusing the same PK
+--enable_info
+alter table t1 add column f6 int;
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Skip sort
+--echo # Reusing the same pk
+--enable_info
+alter table t1 drop column f6;
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Must sort
+--echo # Change PK from (f1,f2,f5) to (f1,f5)
+--error ER_KEY_COLUMN_DOES_NOT_EXIST
+alter table t1 drop column f2;
+--enable_info
+alter table t1 drop column f2, drop primary key, add primary key(f1,f5);
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Skip sort
+--echo # Reusing the same pk
+--enable_info
+alter table t1 add column f2n int after f1, drop primary key, add
+primary key (f1,f5,f2n);
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Skip sort
+--echo # Reusing the same pk
+--enable_info
+alter table t1 change f5 f2n int not null,change f2n f5 int not null,
+add column f8 int not null;
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Skip sort
+--echo # Change PK from (f1,f4,f2n) to (f1,f4,added_column,f2n)
+--enable_info
+alter table t1 add column f7 int, drop primary key,
+add primary key (f1,f5,f7,f2n);
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Skip sort
+--echo # Reusing the same pk
+--enable_info
+alter table t1 force;
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Skip sort
+--echo # Reusing the same pk
+--enable_info
+alter table t1 row_format=compact;
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Skip sort
+--echo # Reusing the same pk
+--enable_info
+alter table t1 engine=innodb;
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Skip sort
+--echo # Optimize table
+--enable_info
+optimize table t1;
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Sort files used for adding secondary index
+--enable_info
+alter table t1 drop primary key, add primary key(f1,f5,f7), add index
+i(f3);
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # No sort files used for dropping secondary index
+--enable_info
+alter table t1 drop primary key, add primary key(f1,f5),drop index i;
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Skip sort
+--echo # Change PK(f1,f5) to (f1,added_columns) and drop f5
+--enable_info
+alter table t1 drop primary key, add primary key(f1,f12),
+drop column f5, add column f12 int not null;
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Must sort
+--echo # Change PK(f1,f12) to (f1,existing_columns)
+--enable_info
+alter table t1 drop primary key, add primary key(f1,f3);
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Skip sort
+--echo # Change PK(f1,f3) to (f1,added_column,f3,added_column)
+--enable_info
+alter table t1 drop primary key, add column f3n int,
+add column f4n int, add primary key(f1,f3n,f3,f4n);
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Adding Secondary index alone.
+--enable_info
+alter table t1 add key(f1);
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Must sort
+--echo # Change PK(f1,f3) to (existing_column,f1)
+--enable_info
+alter table t1 drop primary key, add primary key(f4,f1);
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Skip sort for PK.
+--echo # Change PK(f4,f1) to (added_columns,f4,f1)
+--echo # Secondary index rebuild happens
+--enable_info
+alter table t1 drop primary key, add column f5n int,
+add column f6n int, add primary key(f5n,f6n,f4,f1);
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+--echo # Skip sort for PK.
+--echo # Change PK(f5n,f6n,f4,f1) to
+--echo # (added_columns,f5n,added_column,f6n,f4,f1)
+--echo # Secondary index rebuild happens
+--enable_info
+alter table t1 drop primary key, add column f7n int,
+add column f8n int, add primary key(f7n,f5n,f8n,f6n,f4,f1);
+--disable_info
+eval $innodb_metrics_select;
+SET GLOBAL innodb_monitor_reset = module_ddl;
+
+SET GLOBAL innodb_monitor_disable = module_ddl;
+select count(*) from t1;
+drop table t1;
+--disable_warnings
+SET GLOBAL innodb_monitor_reset = default;
+SET GLOBAL innodb_monitor_enable = default;
+SET GLOBAL innodb_monitor_disable = default;
+--enable_warnings
+
+--echo # Bug#19163915 INNODB: DUPLICATE RECORDS COULD EXIST
+--echo # WHEN SKIPPING SORT FOR CLUSTER INDEX
+
+# last mtuple in previous buffer and first mtuple in next buffer
+# are equal.
+SELECT @@innodb_sort_buffer_size;
+create table t1(f1 int auto_increment not null,
+ f2 char(200) not null, f3 char(200) not null,
+ f4 char(200) not null,primary key(f1,f2,f3,f4));
+insert into t1 select NULL,'aaa','bbb','ccc' from t480;
+insert into t1 values(106, 'aaa','bbb','cccc');
+select count(*) from t1;
+--echo # Skip sort
+--echo # Change PK from (f1,f2,f3,f4) to (f1,f2,f3)
+--error ER_DUP_ENTRY
+alter table t1 drop primary key, add primary key(f1,f2,f3);
+select count(*) from t1;
+drop table t1;
+
+# Duplicates exist with in the buffer
+create table t1(f1 int auto_increment not null,
+ f2 char(200) not null, f3 char(200) not null,
+ f4 char(200) not null,primary key(f1,f2,f3,f4));
+insert into t1 select NULL,'aaa','bbb','ccc' from t480;
+insert into t1 values(108,'aaa','bbb','cccc');
+select count(*) from t1;
+--error ER_DUP_ENTRY
+alter table t1 drop primary key, add primary key(f1,f2,f3);
+select count(*) from t1;
+drop table t1, t480;
+
+--echo #
+--echo # Bug #19896922 SORTING SKIPPED WHEN PREFIX LENGTH OF THE PK
+--echo # FIELD IS CHANGED
+--echo #
+
+# Prefix length changes for the varchar column.
+create table t1(a int not null, b varchar(30) not null,
+ primary key (b(10), a)) engine = innodb;
+insert into t1 values(0,'khdHps6UxW8Lwaoxa604oK6zkb'),(1,'khdHps6UxW8L');
+select * from t1;
+alter table t1 drop primary key, add primary key (b(18),a);
+select * from t1;
+drop table t1;
+
+create table t1(a int not null, b varchar(30) not null,
+ primary key (b(10), a)) engine = innodb;
+insert into t1 values(0,'khdHps6UxW8Lwaoxa604oK6zkb'),(1,'khdHps6UtW8L');
+select * from t1;
+alter table t1 drop primary key, add primary key (b(8),a);
+select * from t1;
+drop table t1;
+
+
+--echo #
+--echo # Bug #21103101 SORTING SKIPPED WHEN DROPPING THE SINGLE
+--echo # COLUMN PRIMARY KEY
+--echo #
+
+# Drop primary key column.
+create table t1(f1 int not null, f2 int not null,
+ primary key (f1), unique key(f1, f2))engine=innodb;
+insert into t1 values(1,3), (2,2);
+--error ER_KEY_COLUMN_DOES_NOT_EXIST
+alter table t1 drop column f1;
+--error ER_KEY_COLUMN_DOES_NOT_EXIST
+alter table t1 drop column f1, drop primary key;
+# DROP PRIMARY KEY is implied for a single-column PRIMARY KEY
+alter table t1 drop column f1, drop key f1;
+drop table t1;
+
+# Drop Primary key when lock is none.
+create table t1(f1 int not null, f2 int not null,
+ primary key (f1), unique key(f1, f2))engine=innodb;
+insert into t1 values(1,3), (2,2);
+alter table t1 drop primary key, lock=none;
+--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
+alter table t1 drop index f1, lock=none;
+drop table t1;
+
+--echo #
+--echo # BUG#21612714 ALTER TABLE SORTING SKIPPED WHEN CHANGE PK AND DROP
+--echo # LAST COLUMN OF OLD PK
+--echo #
+
+# no skip sort cases
+# pk(o1,o2) to pk(o1,o3), drop o2
+create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
+insert into t1 values(1,1,2),(1,2,1);
+alter table t1 drop primary key, add primary key(o1,o3), drop o2, lock=none;
+drop table t1;
+
+# pk(o1,o2) to pk(o3), drop o1, o2
+create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
+insert into t1 values(1,1,2),(1,2,1);
+alter table t1 drop o1, drop o2, add primary key(o3), lock=none;
+drop table t1;
+
+# pk(o1,o2) to pk(o1,o3)
+create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
+insert into t1 values(1,1,2),(1,2,1);
+alter table t1 drop primary key, add primary key(o1,o3), lock=none;
+drop table t1;
+
+# pk(o1,o2) to pk(o3)
+create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
+insert into t1 values(1,1,2),(1,2,1);
+alter table t1 drop primary key, add primary key(o3), lock=none;
+drop table t1;
+
+# pk(o1,o2) to pk(n1,o3)
+create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
+insert into t1 values(1,1,2),(1,2,1);
+alter table t1 add column n1 int not null, drop primary key, add primary key(n1,o3), lock=none;
+drop table t1;
+
+# pk(o1,o2) to pk(o3,n1)
+create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
+insert into t1 values(1,1,2),(2,2,1);
+alter table t1 add column n1 int not null, drop primary key, add primary key(o3,n1), lock=none;
+drop table t1;
+
+# pk(o1,o2) to pk(o2,o1)
+create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
+insert into t1 values(1,2,2),(2,1,1);
+alter table t1 drop primary key, add primary key(o2, o1), lock=none;
+drop table t1;
+
+# pk(o1,o2) to pk(o2)
+create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
+insert into t1 values(1,2,2),(2,1,1);
+alter table t1 drop primary key, add primary key(o2), lock=none;
+drop table t1;
+
+# pk(o1,o2) to pk(o2,o3)
+create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
+insert into t1 values(1,2,2),(2,1,1);
+alter table t1 drop primary key, add primary key(o2,o3), lock=none;
+drop table t1;
+
+# pk(o2,o1) to pk(o2,o3)
+create table t1(o1 int, o2 int, o3 int not null, primary key(o2,o1)) engine = innodb;
+insert into t1 values(1,1,2),(2,1,1);
+alter table t1 drop primary key, add primary key(o2,o3), lock=none;
+drop table t1;
+
+# pk(o1,o2) to pk(o1,o3,o2)
+create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
+insert into t1 values(1,1,2),(1,2,1);
+alter table t1 drop primary key, add primary key(o1,o3,o2), lock=none;
+drop table t1;
+
+# pk(o1,o2) to pk(o3,o1,o2)
+create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
+insert into t1 values(1,2,2),(2,1,1);
+alter table t1 drop primary key, add primary key(o3,o1,o2), lock=none;
+drop table t1;
+
+# pk(o1,o2,o3) to pk(o1,o3)
+create table t1(o1 int, o2 int, o3 int, primary key(o1,o2,o3)) engine = innodb;
+insert into t1 values(1,1,2),(1,2,1);
+alter table t1 drop primary key, add primary key(o1,o3), lock=none;
+drop table t1;
+
+# pk(o1,o2,o3) to pk(o2,o3) by drop o1
+create table t1(o1 int, o2 int, o3 int, primary key(o1,o2,o3)) engine = innodb;
+insert into t1 values(1,2,2),(2,1,1);
+--error ER_KEY_COLUMN_DOES_NOT_EXIST
+alter table t1 drop o1, lock=none;
+alter table t1 drop o1, drop primary key, add primary key(o2,o3), lock=none;
+drop table t1;
+
+# pk(o1,o2,o3) to pk(o1,o3) by drop o2
+create table t1(o1 int, o2 int, o3 int, primary key(o1,o2,o3)) engine = innodb;
+insert into t1 values(1,1,2),(1,2,1);
+--error ER_KEY_COLUMN_DOES_NOT_EXIST
+alter table t1 drop o2, lock=none;
+alter table t1 drop o2, drop primary key, add primary key(o1,o3), lock=none;
+drop table t1;
+
+# pk(o1,o2,o3) to pk(o3) by drop o1,o2
+create table t1(o1 int, o2 int, o3 int, primary key(o1,o2,o3)) engine = innodb;
+insert into t1 values(1,2,2),(2,1,1);
+--error ER_KEY_COLUMN_DOES_NOT_EXIST
+alter table t1 drop o1, drop o2, lock=none;
+alter table t1 drop o1, drop o2,drop primary key,add primary key(o3),lock=none;
+drop table t1;
+
+# no skip sort for prefix change
+# pk(o1(2),o2) to pk(o1(3),o2)
+create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1(2), o2)) engine = innodb;
+insert into t1 values('abd', 1, 1), ('abc', 2, 2);
+alter table t1 drop primary key, add primary key(o1(3), o2), lock=none;
+drop table t1;
+
+# pk(o1(2),o2) to pk(o1,o2)
+create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1(2), o2)) engine = innodb;
+insert into t1 values('abd', 1, 1), ('abc', 2, 2);
+alter table t1 drop primary key, add primary key(o1, o2), lock=none;
+drop table t1;
+
+# pk(o1(2),o2) to pk(o1(3),o3)
+create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1(2), o2)) engine = innodb;
+insert into t1 values('abd', 1, 1), ('abc', 2, 2);
+alter table t1 drop primary key, add primary key(o1(3), o3), lock=none;
+drop table t1;
+
+# pk(o1(2),o2) to pk(o1,o3)
+create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1(2), o2)) engine = innodb;
+insert into t1 values('abd', 1, 1), ('abc', 2, 2);
+alter table t1 drop primary key, add primary key(o1, o3), lock=none;
+drop table t1;
+
+# pk(o1(3),o2) to pk(o1(2),o2)
+create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1(3), o2)) engine = innodb;
+insert into t1 values('abc', 2, 1), ('abd', 1, 2);
+alter table t1 drop primary key, add primary key(o1(2), o2), lock=none;
+drop table t1;
+
+# pk(o1,o2) to pk(o1(2),o2)
+create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1, o2)) engine = innodb;
+insert into t1 values('abc', 2, 1), ('abd', 1, 2);
+alter table t1 drop primary key, add primary key(o1(2), o2), lock=none;
+drop table t1;
+
+# pk(o1(3),o2) to pk(o1(2),o3)
+create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1(3), o2)) engine = innodb;
+insert into t1 values('abc', 2, 2), ('abd', 1, 1);
+alter table t1 drop primary key, add primary key(o1(2), o3), lock=none;
+drop table t1;
+
+# pk(o1,o2) to pk(o1(2),o3)
+create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1, o2)) engine = innodb;
+insert into t1 values('abc', 2, 2), ('abd', 1, 1);
+alter table t1 drop primary key, add primary key(o1(2), o3), lock=none;
+drop table t1;
+
+# pk(o1,o2(2),o3) to pk(o1,o2(3))
+create table t1(o1 int, o2 varchar(10), o3 int, primary key(o1,o2(2),o3)) engine = innodb;
+insert into t1 values(1, 'abd', 1), (1, 'abc', 2);
+alter table t1 drop primary key, add primary key(o1,o2(3)), lock=none;
+drop table t1;
+
+# pk(o1,o2(2),o3) to pk(o1,o2)
+create table t1(o1 int, o2 varchar(10), o3 int, primary key(o1,o2(2),o3)) engine = innodb;
+insert into t1 values(1, 'abd', 1), (1, 'abc', 2);
+alter table t1 drop primary key, add primary key(o1,o2), lock=none;
+drop table t1;
+
+# pk(o1(3),o2(3)) to pk(o1(2),o2(3))
+create table t1(o1 varchar(10), o2 varchar(10), primary key(o1(3),o2(3))) engine = innodb;
+insert into t1 values('abc', 'acd'), ('abd', 'abd');
+alter table t1 drop primary key, add primary key(o1(2),o2(3)), lock=none;
+drop table t1;
+
+# pk(o1,o2) to pk(o1(2),o2)
+create table t1(o1 varchar(10), o2 varchar(10), primary key(o1,o2)) engine = innodb;
+insert into t1 values('abc', 'acd'), ('abd', 'abd');
+alter table t1 drop primary key, add primary key(o1(2),o2), lock=none;
+drop table t1;
+
+# pk(o1(3),o2(3)) to pk(o2(3),o1(3))
+create table t1(o1 varchar(10), o2 varchar(10), primary key(o1(3),o2(3))) engine = innodb;
+insert into t1 values('abd', 'acd'), ('acd', 'abd');
+alter table t1 drop primary key, add primary key(o2(3),o1(3)), lock=none;
+drop table t1;
+
+# pk(o1,o2) to pk(o2,o1)
+create table t1(o1 varchar(10), o2 varchar(10), primary key(o1,o2)) engine = innodb;
+insert into t1 values('abd', 'acd'), ('acd', 'abd');
+alter table t1 drop primary key, add primary key(o2,o1), lock=none;
+drop table t1;
+
+# no skip sort cases
+--source suite/innodb/include/alter_table_pk_no_sort.inc
+
+--echo #
+--echo # MDEV-15325 Incomplete validation of missing tablespace during recovery
+--echo #
+
+--source include/no_checkpoint_start.inc
+CREATE TABLE t1(f1 INT PRIMARY KEY)ENGINE=InnoDB;
+
+CREATE TABLE t2(f1 INT PRIMARY KEY)ENGINE=InnoDB;
+
+--let CLEANUP_IF_CHECKPOINT=DROP TABLE t1, t2;
+--source include/no_checkpoint_end.inc
+
+let SEARCH_FILE= $MYSQLTEST_VARDIR/log/mysqld.1.err;
+let $check_no_innodb=SELECT * FROM INFORMATION_SCHEMA.ENGINES
+WHERE engine = 'innodb'
+AND support IN ('YES', 'DEFAULT', 'ENABLED');
+
+--echo # Wrong space_id in a dirty file and a missing file
+
+--copy_file $MYSQLD_DATADIR/test/t1.ibd $MYSQLD_DATADIR/test/t0.ibd
+--move_file $MYSQLD_DATADIR/test/t2.ibd $MYSQLD_DATADIR/test/t1.ibd
+
+--source include/start_mysqld.inc
+--eval $check_no_innodb
+--source include/shutdown_mysqld.inc
+
+--echo # Restore t1 and t2
+
+--move_file $MYSQLD_DATADIR/test/t1.ibd $MYSQLD_DATADIR/test/t2.ibd
+--move_file $MYSQLD_DATADIR/test/t0.ibd $MYSQLD_DATADIR/test/t1.ibd
+
+--source include/start_mysqld.inc
+
+SELECT * FROM t1;
+SELECT * FROM t2;
+
+DROP TABLE t1, t2;
+
+--echo #
+--echo # MDEV-18186 assertion failure on missing InnoDB index
+--echo #
+
+--disable_query_log
+call mtr.add_suppression("Cannot find index i1 in InnoDB index dictionary");
+call mtr.add_suppression("InnoDB indexes are inconsistent with what defined");
+call mtr.add_suppression("Table test/t contains 0 indexes");
+call mtr.add_suppression("InnoDB could not find key no");
+--enable_query_log
+
+# Test an attempt to rename a nonexistent index inside InnoDB
+-- let $MYSQL_DATA_DIR = `SELECT @@datadir`
+CREATE TABLE t (a INT, INDEX i1 (a)) ENGINE=INNODB;
+-- copy_file $MYSQL_DATA_DIR/test/t.frm $MYSQL_DATA_DIR/test/t.fr_
+DROP TABLE t;
+CREATE TABLE t (a INT) ENGINE=INNODB;
+-- remove_file $MYSQL_DATA_DIR/test/t.frm
+-- move_file $MYSQL_DATA_DIR/test/t.fr_ $MYSQL_DATA_DIR/test/t.frm
+--enable_prepare_warnings
+SHOW CREATE TABLE t;
+--disable_prepare_warnings
+DROP TABLE t;
+
+--echo #
+--echo # MDEV-27374 InnoDB table becomes corrupt after renaming DESC-indexed column
+--echo #
+CREATE TABLE t1 (a VARCHAR(8), PRIMARY KEY(a DESC)) ENGINE=InnoDB;
+ALTER TABLE t1 RENAME COLUMN a TO b, ALGORITHM=INPLACE;
+SELECT TABLE_ID INTO @table_id FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME="test/t1";
+SELECT INDEX_ID INTO @index_id FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES WHERE TABLE_ID = @table_id;
+SELECT NAME FROM INFORMATION_SCHEMA.INNODB_SYS_FIELDS WHERE INDEX_ID=@index_id;
+DROP TABLE t1;
+
+--echo #
+--echo # MDEV-27432 ASC/DESC primary and unique keys cause index
+--echo # inconsistency between InnoDB and server
+--echo #
+CREATE TABLE t1 (id INT NOT NULL, UNIQUE(id DESC)) ENGINE=InnoDB;
+ALTER TABLE t1 ADD PRIMARY KEY (id), ALGORITHM=INPLACE;
+SHOW CREATE TABLE t1;
+DROP TABLE t1;
+
+--echo #
+--echo # MDEV-27445 Index inconsistency and assertion failure after
+--echo # renaming virtual column with DESC key
+--echo #
+CREATE TABLE t1(a INT, b INT AS (a), KEY(a, b DESC)) ENGINE=InnoDB;
+ALTER TABLE t1 RENAME COLUMN IF EXISTS b TO v;
+ALTER TABLE t1 FORCE;
+DROP TABLE t1;
+
+--echo #
+--echo # MDEV-27592 DESC primary index fails to set wide format
+--echo # while renaming the column
+--echo #
+CREATE TABLE t1 (id INT PRIMARY KEY, a CHAR(8), b INT, KEY(a DESC,b)) ENGINE=InnoDB;
+INSERT INTO t1 VALUES (1,'foo',10);
+ALTER TABLE t1 RENAME COLUMN b TO c, ALGORITHM=INPLACE;
+SELECT TABLE_ID INTO @table_id FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME="test/t1";
+SELECT INDEX_ID INTO @index_id FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES WHERE TABLE_ID = @table_id ORDER BY INDEX_ID DESC LIMIT 1;
+SELECT NAME FROM INFORMATION_SCHEMA.INNODB_SYS_FIELDS WHERE INDEX_ID=@index_id;
+DROP TABLE t1;
+
+--echo # End of 10.8 tests
+
+--disable_query_log
+
+call mtr.add_suppression("InnoDB: Tablespace .* was not found at .*t[12].ibd.");
+call mtr.add_suppression("InnoDB: Plugin initialization aborted");
+call mtr.add_suppression("Plugin 'InnoDB' init function returned error");
+call mtr.add_suppression("Plugin 'InnoDB' registration as a STORAGE ENGINE failed");
+
+--enable_query_log